15th Symposium on Meteorological Observation and Instrumentation


On the behavior of the nondimensional wind shear in an urban roughness sublayer

Christoph A. Vogel, NOAA/OAR/ARL/ATDD, Oak Ridge, TN; and W. Pendergrass

As part of the NOAA DCNet study, a mini Doppler Sodar was deployed for a number of months on a rooftop in downtown Washington, DC. Numerous wind profiles were measured up to approximately 6 canopy heights. These profiles allowed for determinations of the height of the roughness sublayer (RSL), and for investigations into the nondimensional wind shear within the RSL in near-neutral conditions. A relation for the behavior of the nondimensional wind shear is presented.

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Recorded presentation

Session 12, Improvement of Physical Parameterizations
Thursday, 21 January 2010, 8:30 AM-9:45 AM, B302

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